Which statement correctly adds a new key-value pair to a dictionary? A) person.append('job', 'Engineer') B) person.insert('job', 'Engineer') C) person.add('job', 'Engineer') D) per... Which statement correctly adds a new key-value pair to a dictionary? A) person.append('job', 'Engineer') B) person.insert('job', 'Engineer') C) person.add('job', 'Engineer') D) person['job'] = 'Engineer'
Understand the Problem
The question is asking which option correctly demonstrates how to add a new key-value pair to a dictionary in programming, specifically in Python. To add a key-value pair to a dictionary, we typically assign a value to a new key using the syntax dictionary[key] = value.
Answer
person['job'] = 'Engineer'
The final answer is D) person['job'] = 'Engineer'
Answer for screen readers
The final answer is D) person['job'] = 'Engineer'
More Information
In Python, you can add a new key-value pair to a dictionary by assigning a value to a new key using the assignment operator. This method is straightforward and commonly used among developers.
Tips
A common mistake is attempting to use methods like append or add, which are not applicable for dictionaries. Instead, use the assignment operator with brackets.
Sources
- Add a key value pair to Dictionary in Python - GeeksforGeeks - geeksforgeeks.org
- Python | Add new keys to a dictionary - GeeksforGeeks - geeksforgeeks.org
- How can I add new keys to a dictionary? - python - Stack Overflow - stackoverflow.com
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